package project.rbac.service.array;

import project.rbac.domain.dto.BaseDto;
import project.rbac.domain.entity.BaseEntity;
import project.rbac.domain.vo.BaseVo;
import project.rbac.domain.vo.Result;
import project.rbac.service.IBaseService;

import java.util.Arrays;

/**
 * 业务层-基类
 *
 * @author 刘嘉薏
 * @since 2025/5/31 17:06
 */
@Deprecated
abstract class BaseService<
        Entity extends BaseEntity,
        Dto extends BaseDto,
        Vo extends BaseVo> implements IBaseService<Entity, Dto> {
    static final int DATA_SIZE = 100;
    Entity[] data;
    Vo[] temp;
    private int idCounter = 1;

    @Override
    public boolean existsById(int id) {
        return id >= 1 && id < idCounter && data[id] != null;
    }

    @Override
    public Entity findById(int id) {
        if (existsById(id)) {
            return data[id];
        }
        return null;
    }

    abstract Vo convertToVo(Entity entity);

    @Override
    public Result list() {
        int length = 0;
        for (int i = 1; i < idCounter; i++) {
            if (data[i] != null) {
                temp[length++] = convertToVo(data[i]);
            }
        }
        return Result.success("查询成功", Arrays.copyOf(temp, length));
    }

    abstract Entity createEntity(Dto dto, int id);

    @Override
    public Result create(Dto dto) {
        if (idCounter > DATA_SIZE) {
            return Result.failure("创建失败，超出了存储容量");
        }
        Entity entity = createEntity(dto, idCounter++);
        data[entity.getId()] = entity;
        return Result.success("创建成功", null);
    }

    abstract void updateEntity(Dto dto, Entity entity);

    @Override
    public Result update(Dto dto, int id) {
        if (existsById(id)) {
            return Result.failure("更新失败，不存在该数据");
        }
        Entity entity = data[id];
        updateEntity(dto, entity);
        return Result.success("更新成功", null);
    }


    protected Result changePassword(Integer id, String oldPassword, String newPassword) {
        return Result.failure("不支持此操作");
    }
}
